They are very helpful and easy to work with. I really appreciated the fact they were more concerned with getting me the correct product than with the mistake that was made in ordering it. They also took the time to look up the parts for me and they kept info about my personal car so they can help me in the future since there is 2 of every kind of part for my Mercedes. Also they have the best deals on parts and the very best deals on shipping. I dare you to compare and beat their prices and shipping cost.